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Chemistry

D-Index
68
Citations
11599
World Ranking
6744
National Ranking
2024

Overview

David B. Collum is affiliated with Cornell University in the United States. Their research spans the fields of Chemistry and Materials Science with significant focus on Organic Chemistry and Materials Chemistry. They have contributed to related subfields including Spectroscopy, Molecular Biology, and Inorganic Chemistry.

The scientist's work covers several main topics, notably:

  • Coordination Chemistry and Organometallics
  • Crystallization and Solubility Studies
  • Chemical Reaction Mechanisms
  • Asymmetric Synthesis and Catalysis
  • X-ray Diffraction in Crystallography
  • Chemical Synthesis and Analysis
  • Solid-state spectroscopy and crystallography

Frequently publishing in leading venues, David B. Collum has several papers in the Journal of the American Chemical Society, with a total of seven publications there. Other common publication venues include The Cambridge Structural Database, Synthesis, The Journal of Organic Chemistry, and Organic Chemistry Frontiers.

Some notable recent papers include:

  • "Structure, Reactivity, and Synthetic Applications of Sodium Diisopropylamide," 2020, Synthesis
  • "Aggregation and Solvation of Sodium Hexamethyldisilazide: Across the Solvent Spectrum," 2021, The Journal of Organic Chemistry
  • "Sodium Hexamethyldisilazide: Using 15N-29Si Scalar Coupling to Determine Aggregation and Solvation States," 2020, Journal of the American Chemical Society
  • "Ketone Enolization with Sodium Hexamethyldisilazide: Solvent- and Substrate-Dependent E-Z Selectivity and Affiliated Mechanisms," 2021, Journal of the American Chemical Society
  • "Reactions of Sodium Diisopropylamide: Liquid-Phase and Solid-Liquid Phase-Transfer Catalysis by N,N,N',N",N"-Pentamethyldiethylenetriamine," 2021, Journal of the American Chemical Society

David B. Collum has collaborated frequently with several researchers, including:

  • Ryan A. Woltornist
  • Nathan M. Lui
  • Samantha N. MacMillan
  • Yun Ma
  • Jesse A. Spivey

Best Publications

  • Method of Continuous Variations: Applications of Job Plots to the Study of Molecular Associations in Organometallic Chemistry[**]

    Joseph S. Renny;Laura L. Tomasevich;Evan H. Tallmadge;David B. Collum

  • Synthesis of alternating hydroxy- and methyl-substituted hydrocarbons by oxymercuration of cyclopropylcarbinols

    David B. Collum;W. Clark. Still;Fariborz. Mohamadi

  • Is N,N,N',N'-tetramethylethylenediamine a good ligand for lithium?

    David B. Collum

  • Solution structures of lithium dialkylamides and related N-lithiated species: results from lithium-6-nitrogen-15 double labeling experiments

    David B. Collum

  • Lithium diisopropylamide: solution kinetics and implications for organic synthesis.

    David B. Collum;Anne J. McNeil;Antonio Ramirez

  • Lithium Ephedrate-Mediated Addition of a Lithium Acetylide to a Ketone: Solution Structures and Relative Reactivities of Mixed Aggregates Underlying the High Enantioselectivities

    Andrew Thompson;Edward G. Corley;Martha F. Huntington;Edward J. J. Grabowski

  • Lithium Hexamethyldisilazide: A View of Lithium Ion Solvation through a Glass-Bottom Boat

    Brett L. Lucht;David B. Collum

  • Effects of lithium salts on the stereochemistry of ketone enolization by lithium 2,2,6,6-tetramethylpiperidide (LiTMP). A convenient method for highly E-selective enolate formation

    Patricia L. Hall;James H. Gilchrist;David B. Collum

  • Mixed aggregation of lithium enolates and lithium halides with lithium 2,2,6,6-tetramethylpiperidide (LiTMP)

    Patricia L. Hall;James H. Gilchrist;Aidan T. Harrison;David J. Fuller

  • Synthesis of the polyether antibiotic monensin. 2. Preparation of intermediates

    David B. Collum;John H. McDonald;W. Clark Still

  • The structure of lithium tetramethylpiperidide and lithium diisopropylamide in the presence of hexamethylphosphoramide: structure-dependent distribution of cyclic and open dimers, ion triplets, and monomers

    Floyd E. Romesberg;James H. Gilchrist;Aidan T. Harrison;David J. Fuller

  • Lithium diisopropylamide-mediated ortholithiations: lithium chloride catalysis.

    Lekha Gupta;Alexander C. Hoepker;Kanwal J. Singh;David B. Collum

  • Are n-BuLi/TMEDA-Mediated Arene Ortholithiations Directed? Substituent-Dependent Rates, Substituent-Independent Mechanisms

    Scott T. Chadwick;Roger A. Rennels;Jennifer L. Rutherford;David B. Collum

  • Structure of lithium hexamethyldisilazide in the presence of hexamethylphosphoramide. Spectroscopic and computational studies of monomers, dimers, and triple ions

    Floyd E. Romesberg;Max P. Bernstein;James H. Gilchrist;Aidan T. Harrison

  • Determination of structures of solvated lithium dialkylamides by semiempirical (MNDO) methods. Comparison of theory and experiment

    Floyd E. Romesberg;David B. Collum

  • Kinetic cyanations of ketone enolates

    Daniel Kahne;David B. Collum

  • Structure and reactivity of lithium diisopropylamide (LDA) in hydrocarbon solutions. Formation of unsolvated ketone, ester, and carboxamide enolates

    Yong Joo Kim;Max P. Bernstein;Angela S. Galiano Roth;Floyd E. Romesberg

  • Structure and Reactivity of Lithium Diisopropylamide in the Presence of N,N,N',N'-Tetramethylethylenediamine

    Max P. Bernstein;Floyd E. Romesberg;David J. Fuller;Aidan T. Harrison

  • Lithium Diisopropylamide-Mediated Enolizations: Solvent-Independent Rates, Solvent-Dependent Mechanisms

    Xiufeng Sun;David B. Collum

  • Structure and reactivity of lithium diisopropylamide (LDA). The consequences of aggregation and solvation during the metalation of an N,N-dimethylhydrazone

    Angela S. Galiano-Roth;David B. Collum

  • ETHEREAL SOLVATION OF LITHIUM HEXAMETHYLDISILAZIDE : UNEXPECTED RELATIONSHIPS OF SOLVATION NUMBER, SOLVATION ENERGY, AND AGGREGATION STATE

    Brett L. Lucht;David B. Collum

  • Structure and reactivity of lithium diphenylamide. Role of aggregates, mixed aggregates, monomers, and free ions on the rates and selectivities of N-alkylation and E2 elimination

    Jeffrey S. DePue;David B. Collum

Frequent Co-Authors

Floyd E. Romesberg
Floyd E. Romesberg Scripps Research Institute
Brett L. Lucht
Brett L. Lucht University of Rhode Island
Emil B. Lobkovsky
Emil B. Lobkovsky Cornell University
W. Clark Still
W. Clark Still Columbia University
Paul G. Williard
Paul G. Williard Brown University
Trevor W. Hayton
Trevor W. Hayton University of California, Santa Barbara
Daniel Kahne
Daniel Kahne Harvard University
Edward J. J. Grabowski
Edward J. J. Grabowski MSD (United States)
Sol M. Gruner
Sol M. Gruner Cornell University
Héctor D. Abruña
Héctor D. Abruña Cornell University

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